Thick black smoke billowed out of the venue in Nizhny Novgorod, which is supposed to be completed by the end of the year for 2018’s World Cup competition.
Stroytransgaz, the contractor building the 45,000-seat venue, said the blaze started at 1.30pm local time in the stadium’s stands after a welding spark ignited polystyrene debris.
The statement read: “The incident has no impact on construction and the deadline for the stadium’s completion.”
Images from the scene showed thick, black smoke rising from the venue as fire crews raced to put out the flames.
The fire is the third blaze reported to have hit World Cup venues under construction in Russia, afer a similar fire broke out at the World Cup stadium in the southern Russian city of Volgograd in June.
Authorities attributed that blaze to lax safety regulations.
And in August, another fire broke out at a World Cup venue in Samara.
Russia will host the World Cup finals next summer in 12 venues in 11 cities, including Moscow, St Petersburg, Sochi and Kazan.
Tday’s fire comes as FIFA said Russia was on track with its preparations to host the World Cup but that much work remained to be done.
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